The Riddler and his felonious filmmakers, Pauline, C.B., Wolf and Von Bloheim dress up as Charlie Chaplin and the Keystone Cops, disrupt a film festival held by famous silent film collector Mr. Van Jones, and steal the box-office receipts. A riddle leads Batman and Robin to Mother Gotham's Bakery, where the Riddler is planning to render everyone unconscious with sleeping cream and then pilfer the payroll, all the while filming the events in the style of an old film comedy. Racing to the scene, the Dynamic Duo arrive too late, and merely find and another riddle; this leads them to the Baker Street branch of the Gotham Library, which is closed on Wednesdays due to lack of funds, but on entering the building, the two heroes are hit over the heads by a huge book - and the Riddler captures it a